Home / 161,718.30-242,577.45-43,407.90

Finding the Fourth Proportional to 161,718.30, 242,577.45 and 43,407.90

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Solution

The fourth proportional to 161,718.30, 242,577.45 and 43,407.90 is: 65,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,718.30 : 242,577.45 = 43,407.90 : x
  2. Step 2: Convert to fraction form
    161,718.30/242,577.45 = 43,407.90/x
  3. Step 3: Cross multiply
    161,718.30x = 242,577.45 × 43,407.90
  4. Step 4: Simplify right side
    161,718.30x = 10,529,777,691.86
  5. Step 5: Solve for x
    x = 10,529,777,691.86/161,718.30
  6. Step 6: Final answer
    x = 65,111.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.